Re: [PATCH v4] KVM: PPC: vfio kvm device: support spapr tce

2013-11-27 Thread Alex Williamson
On Mon, 2013-11-25 at 19:49 +1100, Alexey Kardashevskiy wrote: > In addition to the external VFIO user API, a VFIO KVM device > has been introduced recently. > > sPAPR TCE IOMMU is para-virtualized and the guest does map/unmap > via hypercalls which take a logical bus id (LIOBN) as a target IOMMU

[PATCH v4] KVM: PPC: vfio kvm device: support spapr tce

2013-11-25 Thread Alexey Kardashevskiy
In addition to the external VFIO user API, a VFIO KVM device has been introduced recently. sPAPR TCE IOMMU is para-virtualized and the guest does map/unmap via hypercalls which take a logical bus id (LIOBN) as a target IOMMU identifier. LIOBNs are made up and linked to IOMMU groups by the user spa